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Income Taxes (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Income Taxes |  |
Deferred tax assets |  | $ 64.5
States operating loss carryforwards | $ 203.0 |
Minimum |  |
Income Taxes |  |
Number of tax years open for state tax audit (in years) | 3 years |
Maximum |  |
Income Taxes |  |
Number of tax years open for state tax audit (in years) | 5 years |
Domestic Tax Authority |  |
Income Taxes |  |
Operating loss carryforwards | $ 1,600.0 |
Operating loss carryforwards, subject to expiration | 700.0 |
Operating loss carryforwards, not subject to expiration | 900.0 |
Tax credit carryforward, amount | 33.5 |
State and Local Jurisdiction |  |
Income Taxes |  |
Operating loss carryforwards | 1,100.0 |
Operating loss carryforwards, subject to expiration | 247.0 |
Operating loss carryforwards, not subject to expiration | $ 650.0 |

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